fix: tolerate callback parameter values in ParameterRow (via #4873)

* fix: tolerate callback parameter values in ParameterRow
* Update 4867.js

src/core/components/parameter-row.jsx

@@ -31,7 +31,7 @@ export default class ParameterRow extends Component {
     let { specSelectors, pathMethod, rawParam } = props
     let { isOAS3 } = specSelectors
 
-    let parameterWithMeta = specSelectors.parameterWithMetaByIdentity(pathMethod, rawParam)
+    let parameterWithMeta = specSelectors.parameterWithMetaByIdentity(pathMethod, rawParam) || new Map()
     // fallback, if the meta lookup fails
     parameterWithMeta = parameterWithMeta.isEmpty() ? rawParam : parameterWithMeta
 
@@ -87,7 +87,7 @@ export default class ParameterRow extends Component {
     let paramWithMeta = specSelectors.parameterWithMetaByIdentity(pathMethod, rawParam)
 
 
-    if (paramWithMeta.get("value") !== undefined) {
+    if (!paramWithMeta || paramWithMeta.get("value") !== undefined) {
       return
     }
 
@@ -117,6 +117,10 @@ export default class ParameterRow extends Component {
 
     const { showExtensions, showCommonExtensions } = getConfigs()
 
+    if(!param) {
+      param = rawParam
+    }
+
     // const onChangeWrapper = (value) => onChange(param, value)
     const JsonSchemaForm = getComponent("JsonSchemaForm")
     const ParamBody = getComponent("ParamBody")

test/e2e-cypress/static/documents/bugs/4867.yaml

@@ -0,0 +1,24 @@
+openapi: 3.0.1
+info:
+   title: test
+   version: "0.1"
+paths:
+  /test:
+    post:
+      operationId: myOp
+      responses:
+        default:
+          description: ok
+      callbacks:
+        subscription:
+          http://$request.query.url:
+            post:
+              description: myCallback
+              parameters:
+              - name: myParam
+                in: query
+                schema:
+                  type: string
+              responses:
+                default:
+                  description: ok

test/e2e-cypress/tests/bugs/4867.js

@@ -0,0 +1,17 @@
+describe("#4867: callback parameter rendering", () => {
+  it("should render parameters correctly", () => {
+    cy
+      .visit("/?url=/documents/bugs/4867.yaml")
+      .get("#operations-default-myOp")
+      .click()
+      .contains("Callbacks")
+      .click()
+
+      .get(".callbacks-container")
+      .contains("http://$request.query.url")
+      .click()
+
+      .get(".parameters-container")
+      .contains("myParam")
+  })
+})